EP0532014A3 - Optical switch - Google Patents

Optical switch Download PDF

Info

Publication number
EP0532014A3
EP0532014A3 EP19920115535 EP92115535A EP0532014A3 EP 0532014 A3 EP0532014 A3 EP 0532014A3 EP 19920115535 EP19920115535 EP 19920115535 EP 92115535 A EP92115535 A EP 92115535A EP 0532014 A3 EP0532014 A3 EP 0532014A3
Authority
EP
European Patent Office
Prior art keywords
optical switch
switch
optical
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP19920115535
Other versions
EP0532014A2 (en
EP0532014B1 (en
Inventor
Toshifumi Hosoya
Yuji Kobayashi
Yasuo Matsuda
Tsuyoshi Nonaka
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sumitomo Electric Industries Ltd
Original Assignee
Sumitomo Electric Industries Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Sumitomo Electric Industries Ltd filed Critical Sumitomo Electric Industries Ltd
Publication of EP0532014A2 publication Critical patent/EP0532014A2/en
Publication of EP0532014A3 publication Critical patent/EP0532014A3/en
Application granted granted Critical
Publication of EP0532014B1 publication Critical patent/EP0532014B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/29—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the position or the direction of light beams, i.e. deflection
    • G02F1/31—Digital deflection, i.e. optical switching
    • G02F1/313—Digital deflection, i.e. optical switching in an optical waveguide structure
    • G02F1/3132—Digital deflection, i.e. optical switching in an optical waveguide structure of directional coupler type
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/29—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the position or the direction of light beams, i.e. deflection
    • G02F1/293—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the position or the direction of light beams, i.e. deflection by another light beam, i.e. opto-optical deflection
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/29—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the position or the direction of light beams, i.e. deflection
    • G02F1/31—Digital deflection, i.e. optical switching
    • G02F1/313—Digital deflection, i.e. optical switching in an optical waveguide structure
    • G02F1/3131—Digital deflection, i.e. optical switching in an optical waveguide structure in optical fibres
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/29—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the position or the direction of light beams, i.e. deflection
    • G02F1/31—Digital deflection, i.e. optical switching
    • G02F1/313—Digital deflection, i.e. optical switching in an optical waveguide structure
    • G02F1/3137—Digital deflection, i.e. optical switching in an optical waveguide structure with intersecting or branching waveguides, e.g. X-switches and Y-junctions
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F2202/00—Materials and properties
    • G02F2202/14—Materials and properties photochromic
EP92115535A 1991-09-12 1992-09-10 Optical switch Expired - Lifetime EP0532014B1 (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP233112/91 1991-09-12
JP23311291 1991-09-12
JP170782/92 1992-06-29
JP4170782A JPH05196973A (en) 1991-09-12 1992-06-29 Optical switch

Publications (3)

Publication Number Publication Date
EP0532014A2 EP0532014A2 (en) 1993-03-17
EP0532014A3 true EP0532014A3 (en) 1993-11-03
EP0532014B1 EP0532014B1 (en) 1998-01-07

Family

ID=26493677

Family Applications (1)

Application Number Title Priority Date Filing Date
EP92115535A Expired - Lifetime EP0532014B1 (en) 1991-09-12 1992-09-10 Optical switch

Country Status (4)

Country Link
US (1) US5432873A (en)
EP (1) EP0532014B1 (en)
JP (1) JPH05196973A (en)
DE (1) DE69223885T2 (en)

Families Citing this family (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2153595A1 (en) * 1993-01-11 1994-07-21 Anthony F. Garito Polycyclic aromatic compounds having nonlinear optical properties
JPH0821991A (en) 1994-07-08 1996-01-23 Sony Corp Picture display device
GB2301445B (en) * 1995-05-22 1997-07-09 At & T Corp Silica optical circuit switch and method
EP0944899B1 (en) * 1996-12-10 2002-08-07 Ciba Specialty Chemicals Holding Inc. Double-bond shifts of substituted (4n)-annulenes for information storage and data processing
US6064788A (en) * 1997-08-14 2000-05-16 Lucent Technologies Inc. Adiabatic Y-branch modulator with negligible chirp
EP1109049A1 (en) 1999-12-16 2001-06-20 Corning Incorporated Photothermal optical switch and variable attenuator
AU5666301A (en) * 2000-05-11 2001-11-20 Iizuka Electric Industry Co., Ltd. Image display apparatus, method for repairing dot chipping of image display apparatus, method for attaching repairing material of dot chipping, and method for applying repairing material of dot chipping
HU225834B1 (en) 2000-07-07 2007-10-29 Mta Szegedi Biolog Koezpont Bi Light controllable integrated optical switch arranged in laminated geometry, especially integrated optical logic element
JP4729696B2 (en) * 2001-03-27 2011-07-20 独立行政法人産業技術総合研究所 Light control element
US7005669B1 (en) 2001-08-02 2006-02-28 Ultradots, Inc. Quantum dots, nanocomposite materials with quantum dots, devices with quantum dots, and related fabrication methods
US20030066998A1 (en) * 2001-08-02 2003-04-10 Lee Howard Wing Hoon Quantum dots of Group IV semiconductor materials
US6710366B1 (en) 2001-08-02 2004-03-23 Ultradots, Inc. Nanocomposite materials with engineered properties
US6794265B2 (en) * 2001-08-02 2004-09-21 Ultradots, Inc. Methods of forming quantum dots of Group IV semiconductor materials
US6819845B2 (en) * 2001-08-02 2004-11-16 Ultradots, Inc. Optical devices with engineered nonlinear nanocomposite materials
JP2003228088A (en) * 2002-02-01 2003-08-15 Hitachi Ltd Optical switch
JP3973458B2 (en) * 2002-03-15 2007-09-12 三菱電機株式会社 Light switch
EP1376170A3 (en) * 2002-06-19 2004-12-29 Matsushita Electric Industrial Co., Ltd. Optical waveguide, optical module, and method for producing same module
US6847741B2 (en) * 2002-10-04 2005-01-25 Lockheed Martin Corp Optically induced total internal reflection X-junction waveguide optical switch, network and optical switching method
US20050041946A1 (en) * 2003-08-23 2005-02-24 Deblanc James J. Planar layer with optical path
WO2007127722A2 (en) * 2006-04-24 2007-11-08 Rensselaer Polytechnic Institute Surface-modified substrate and method of its preparation
JP5083732B2 (en) * 2007-11-26 2012-11-28 学校法人慶應義塾 Light switch
WO2015108294A1 (en) * 2014-01-15 2015-07-23 Samsung Electronics Co., Ltd. Optical sensor and electronic device with the same
US11275210B1 (en) * 2018-12-07 2022-03-15 PsiQuantum Corp. Waveguide couplers for multi-mode waveguides
US11635570B1 (en) 2019-02-08 2023-04-25 PsiQuantum Corp. Multi-mode multi-pass delay
US11391890B1 (en) 2019-05-15 2022-07-19 PsiQuantum Corp. Multi-mode spiral delay device

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4805975A (en) * 1987-01-21 1989-02-21 Kokusai Denshin Denwa Kabushiki Kaisha Optical waveguide switch
EP0418654A1 (en) * 1989-09-06 1991-03-27 Sumitomo Electric Industries, Ltd. Coupler-type optical switch and process for producing the same
EP0433901A2 (en) * 1989-12-20 1991-06-26 Sumitomo Electric Industries, Ltd. Optical switch for use with optical fibers

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS628131A (en) * 1985-07-05 1987-01-16 Nomura Sogo Kenkyusho:Kk Optical inverter circuit
GB8709760D0 (en) * 1987-04-24 1987-05-28 Plessey Co Plc Doped spun films for waveguides

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4805975A (en) * 1987-01-21 1989-02-21 Kokusai Denshin Denwa Kabushiki Kaisha Optical waveguide switch
EP0418654A1 (en) * 1989-09-06 1991-03-27 Sumitomo Electric Industries, Ltd. Coupler-type optical switch and process for producing the same
EP0433901A2 (en) * 1989-12-20 1991-06-26 Sumitomo Electric Industries, Ltd. Optical switch for use with optical fibers

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN, unexamined applications, P field, vol. 11, no. 178, June 9, 1987 THE PATENT OFFICE JAPANESE GOVERNMENT page 43 P 584; & JP-A-62 008 131 (NOMURA) *
PATENT ABSTRACTS OF JAPAN, unexamined applications, P field, vol. 13, no. 165, April 20, 1989 THE PATENT OFFICE JAPANESE GOVERNMENT page 51 P 860; & JP-A-64 002 020 (FUJI) *

Also Published As

Publication number Publication date
JPH05196973A (en) 1993-08-06
DE69223885D1 (en) 1998-02-12
US5432873A (en) 1995-07-11
EP0532014A2 (en) 1993-03-17
DE69223885T2 (en) 1998-04-30
EP0532014B1 (en) 1998-01-07

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